JPH032954Y2 - - Google Patents
Info
- Publication number
- JPH032954Y2 JPH032954Y2 JP1986114752U JP11475286U JPH032954Y2 JP H032954 Y2 JPH032954 Y2 JP H032954Y2 JP 1986114752 U JP1986114752 U JP 1986114752U JP 11475286 U JP11475286 U JP 11475286U JP H032954 Y2 JPH032954 Y2 JP H032954Y2
- Authority
- JP
- Japan
- Prior art keywords
- lug
- tightening
- drum head
- drum
- bolt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 235000014121 butter Nutrition 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D13/00—Percussion musical instruments; Details or accessories therefor
- G10D13/01—General design of percussion musical instruments
- G10D13/02—Drums; Tambourines with drumheads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/06—Turnbuckles
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10D—STRINGED MUSICAL INSTRUMENTS; WIND MUSICAL INSTRUMENTS; ACCORDIONS OR CONCERTINAS; PERCUSSION MUSICAL INSTRUMENTS; AEOLIAN HARPS; SINGING-FLAME MUSICAL INSTRUMENTS; MUSICAL INSTRUMENTS NOT OTHERWISE PROVIDED FOR
- G10D13/00—Percussion musical instruments; Details or accessories therefor
- G10D13/10—Details of, or accessories for, percussion musical instruments
- G10D13/16—Tuning devices; Hoops; Lugs
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Bolts, Nuts, And Washers (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
この考案はドラムヘツドの締着固定装置の改良
に係り、特にはラグナツトの脱落防止と締着ボル
トのゆるみ止めを図つた構造に関する。[Detailed Description of the Invention] (Industrial Field of Application) This invention relates to an improvement of a drum head fastening device, and particularly to a structure that prevents lug nuts from falling off and fastening bolts from loosening.
（従来の技術）
一般にドラムと称される打楽器類にあつては、
ドラム胴の上下のエツジにドラムヘツドを装着
し、このドラムヘツドの外周縁部に締付フープを
嵌め、その後この締付フープをドラム胴に固定さ
れたラグに遊嵌されたラグナツトに螺着する締着
ボルトを介して締め付け固定するのが通常であ
る。(Prior Art) Regarding percussion instruments generally called drums,
A fastening method in which a drum head is attached to the upper and lower edges of the drum body, a tightening hoop is fitted to the outer periphery of the drum head, and then this tightening hoop is screwed onto a lug nut loosely fitted to a lug fixed to the drum body. It is usually secured by tightening with bolts.
このドラムヘツドの締着固定装置においてはド
ラムヘツドの張力の調整のための自在性が要求さ
れる。そのために、前記締着ボルトに螺着するラ
グナツトにはラグの端縁部に引張り方向に係合す
る鍔部が設けられていて、この鍔部を介して遊嵌
状態で取付けられている。 This drum head fastening device requires flexibility in adjusting the tension of the drum head. To this end, the lug nut that is screwed onto the tightening bolt is provided with a flange that engages the end edge of the lug in the tension direction, and is loosely attached via the flange.
（この考案が解決しようとする問題点）
しかるに、従来のこの種の固定装置にあつては
まず、ドラムヘツドの一方のナツトを締め付けて
いるときに調節前の他のナツトがラグ内に脱落し
てしまつて、この張力の調整作業をいたずらに煩
雑なものとすることがしばしばあつた。(Problem to be solved by this invention) However, with conventional fixing devices of this type, when one nut of the drum head is being tightened, the other nut that has not yet been adjusted falls out into the lug. In addition, this tension adjustment work was often made unnecessarily complicated.
また、演奏時におけるドラムヘツドの打叩振動
によつて、ドラムヘツドを締着しているボルトが
回動してゆるんでくることがある。 Furthermore, the bolts that fasten the drum head may rotate and loosen due to the vibration of the drum head when it is played.
この考案は、このような点に鑑みて提案された
ものであつて、ラグナツトの脱落防止と締着ボル
トのゆるみ止めを図つた新規なドラムヘツドの締
着固定装置を提供しようとするものである。 This invention has been proposed in view of these points, and is intended to provide a new drum head fastening and fixing device that prevents lug nuts from falling off and fastening bolts from loosening.
（問題点を解決するための手段）
すなわち、この考案の要旨とするところは、ド
ラム胴に固定されたラグに遊嵌されたラグナツト
に締着ボルトを螺着することによつて締付フープ
を圧締してドラムヘツドをドラム胴に固定するよ
うにした締着固定装置において、前記ラグナツト
のラグ端縁部との係合鍔部内側に切欠部を設け
て、前記切欠部に一方の脚部が収納されかつ前記
ボルトのねじ溝に入り込むことができる略Ｕ字状
の押えばねを装着するとともに、前記Ｕ字状押え
ばねの他方の脚部が収納される保持部をラグ内側
に形成したことを特徴とするドラムヘツドの締着
固定装置に係る。(Means for solving the problem) That is, the gist of this invention is to tighten the tightening hoop by screwing the tightening bolt into the lug nut that is loosely fitted into the lug fixed to the drum body. In the fastening and fixing device for fixing the drum head to the drum body by pressure tightening, a notch is provided inside the flange portion of the lug nut that engages with the lug end edge, and one leg is inserted into the notch. A substantially U-shaped pressing spring that can be stored and inserted into the thread groove of the bolt is installed, and a holding portion in which the other leg of the U-shaped pressing spring is stored is formed on the inside of the lug. The present invention relates to a drum head fastening and fixing device characterized by:
（実施例）
以下添付の図面に従つてこの考案の実施例を説
明すると、第１図はこの考案の一実施例を示すド
ラムヘツドの締着固定装置の一部切欠断面図、第
２図はその要部の拡大断面図、第３図は第２図の
３−３線における断面図、第４図は同じく第２図
の４−４線における断面図である。(Embodiment) An embodiment of this invention will be described below with reference to the attached drawings. Fig. 1 is a partially cutaway sectional view of a drum head fastening and fixing device showing an embodiment of this invention, and Fig. 2 is the same. 3 is a sectional view taken along the line 3-3 of FIG. 2, and FIG. 4 is a sectional view taken along the line 4-4 of FIG. 2.
第１図に図示したように、ドラムＤは、胴壁部
材１０の上側すなわち打叩面側となるバター側１
１、および下側すなわちボトム側１２の両面側に
ドラムヘツド１３が張設され、このドラムヘツド
の周縁部に締付フープ１４がそれぞれ嵌めこまれ
その締め付けフランジ部１５において締着ボルト
１６によつて締め付け固定される。 As shown in FIG. 1, the drum D has a butter side 1 which is the upper side of the body wall member 10, that is, the beating surface side.
A drum head 13 is stretched on both sides of the drum head 1 and the lower side, that is, the bottom side 12, and a tightening hoop 14 is fitted into the peripheral edge of the drum head, and the tightening flange 15 is tightened and fixed by a tightening bolt 16. be done.
ドラムの胴壁部１０の外側には取付ねじ２１に
よつて舟形のラグ（受け金具）２０が固定されて
いる。そして、このラグ２０の上下の端部には、
前記締着ボルト１６と螺着する内ねじ部３１を備
えたラグナツト３０が遊嵌される。 A boat-shaped lug (receiving metal fitting) 20 is fixed to the outside of the drum body wall 10 by a mounting screw 21. At the upper and lower ends of this lug 20,
A lug nut 30 having an internal threaded portion 31 that is screwed onto the tightening bolt 16 is loosely fitted.
第２図の拡大図からよりよく理解されるよう
に、ラグナツト３０はラグ端縁部２２の透孔２３
に挿通されるとともに、該端縁部内側に係合する
鍔部３２を有していて、該ナツト３０はラグ２０
に対して引張り方向に係合保持されるように構成
される。 As can be better understood from the enlarged view of FIG.
The nut 30 is inserted into the lug 20 and has a flange 32 that engages inside the edge.
It is configured to be engaged and held in the tensile direction.
そして、このラグナツト３０の前記係合鍔部３
２の内側には切欠部３５が形成されていて、この
切欠部３５に略Ｕ字状の押えばね４０の一方の脚
部４１が収納される。 Then, the engaging flange portion 3 of this lug nut 30
A notch 35 is formed on the inside of 2, and one leg 41 of a substantially U-shaped pressing spring 40 is housed in this notch 35.
略Ｕ字状の押えばね４０は約１mm程度の直径を
有する金属体よりなり、脚部４１，４２は内側方
向への付勢力を有している。従つて、押えばね４
０の切欠部３５に収納された一方の脚部４１はそ
の付勢力によつて当該ラグナツト３０に螺着され
た締着ボルト１６のねじ溝１７に入り込むように
して装着される。 The substantially U-shaped pressing spring 40 is made of a metal body having a diameter of about 1 mm, and the legs 41 and 42 have an inward biasing force. Therefore, press 4
One of the legs 41 accommodated in the notch 35 of the lug nut 30 is attached by its biasing force so that it enters the thread groove 17 of the tightening bolt 16 screwed onto the lug nut 30.
とともに、前記Ｕ字状押えばね４０の他方の脚
部４２はラグ内面側に形成した保持部２５に収納
されることによつて、当該ラグナツト３０はラグ
２０の端縁部２２に保持される。 At the same time, the other leg portion 42 of the U-shaped pressing spring 40 is housed in a holding portion 25 formed on the inner surface of the lug, so that the lug nut 30 is held on the edge portion 22 of the lug 20.
押えばね４０とラグナツト３０および締着ボル
ト１６の関係は第２図の断面図である第３図およ
び第４図からよりよく理解されるであろう。な
お、押えばね４０のラグナツト切欠部３５に収納
される側の脚部４１は、第４図のようにその中間
部分４１ａを内側へ折曲げ先端部分４１ｂを外側
へ開く屈曲形状とすると、押えばね２０の装着が
容易にできるとともにボルト１６のねじ溝１７へ
の入り込みが確実となり、好ましい実施例であ
る。 The relationship between spring 40, lug nut 30, and fastening bolt 16 will be better understood from FIGS. 3 and 4, which are cross-sectional views of FIG. 2. Note that if the leg portion 41 of the pressing spring 40 that is housed in the lug nut notch 35 has a bent shape in which the intermediate portion 41a is bent inward and the tip portion 41b is opened outward as shown in FIG. 20 can be easily installed, and the bolt 16 can be reliably inserted into the thread groove 17, so this is a preferred embodiment.
図中符号２９はラグ２０のドラム胴壁部材１０
への取付部である。 Reference numeral 29 in the figure indicates the drum body wall member 10 of the lug 20.
This is the attachment part.
（作用・効果）
上のように構成されたこの考案の締着装置にあ
つては、前記したように、略Ｕ字状の押えばね４
０の一方の脚部４１をラグナツト３０の切欠部３
５に、他方の脚部４２をラグ２０の保持部２５に
収納するようにしたものであるから、ラグナツト
３０は当該押えばね４０を介してラグ端縁部２２
に遊嵌状態で保持されることが可能となる。従つ
て、ドラムヘツドを張設しまたは調整する際に、
ボルト１６が螺着されていないラグナツト３０が
ラグ内２０に脱落することがなくなり、当該ボル
トとナツトの螺着作業が確実かつ容易に行なうこ
とができるようになつた。(Operation/Effect) In the fastening device of this invention configured as above, as described above, the approximately U-shaped pressing spring 4
0 into the notch 3 of the lug nut 30.
5, since the other leg portion 42 is housed in the holding portion 25 of the lug 20, the lug nut 30 is attached to the lug edge portion 22 via the pressing spring 40.
It can be held in a loosely fitted state. Therefore, when tensioning or adjusting the drum head,
The lug nut 30 to which the bolt 16 is not screwed does not fall into the lug 20, and the screwing operation of the bolt and nut can now be performed reliably and easily.
また、押えばね４０の一方の脚４１はラグナツ
トの切欠からボルト１６のねじ溝１７に入り込ん
でいるものであるから、振動に伴なうねじの回動
を防止することができ、ゆるみ止めとしての効果
を有する。 Further, since one leg 41 of the pressing spring 40 is inserted into the thread groove 17 of the bolt 16 through the notch of the lug nut, it is possible to prevent the screw from rotating due to vibration, and it can be used as a locking mechanism. have an effect.
さらに、この考案構造によれば、押えばねとい
う、極めて小さなスペースをとらない部品を用い
るようにしたものであるから、ラグ自体を小さく
することができ、部品の小型化等の要請にも合致
するなど、この考案のもつ実用性および有利性に
は極めて大きいものがある。 Furthermore, this invented structure uses a pressing spring, an extremely small part that does not take up much space, so the lug itself can be made smaller, meeting the demand for smaller parts. The practicality and advantages of this invention are extremely large.
第１図はこの考案の一実施例を示すドラムヘツ
ドの締着固定装置の一部切欠断面図、第２図はそ
の要部の拡大断面図、第３図は第２図の３−３線
における断面図、第４図は同じく第２図の４−４
線における断面図である。
Ｄ……ドラム、１０……胴壁部材、１６……ボ
ルト、１７……ネジ溝、２０……ラグ、２２……
端縁部、２５……保持部、３０……ラグナツト、
３２……係合鍔部、３５……切欠部、４０……押
えばね、４１，４２……脚部。
Fig. 1 is a partially cutaway sectional view of a drum head fastening and fixing device showing an embodiment of this invention, Fig. 2 is an enlarged sectional view of its main parts, and Fig. 3 is taken along line 3-3 in Fig. 2. The cross-sectional view, Figure 4, is also 4-4 in Figure 2.
FIG. D... Drum, 10... Body wall member, 16... Bolt, 17... Screw groove, 20... Lug, 22...
Edge portion, 25... Holding portion, 30... Lug nut,
32... Engaging flange portion, 35... Notch portion, 40... Pressing spring, 41, 42... Leg portion.
Claims (1)
ツトに締着ボルトを螺着することによつて締付フ
ープを圧締してドラムヘツドをドラム胴に固定す
るようにした締着固定装置において、 前記ラグナツトのラグ端縁部との係合鍔部内側
に切欠部を設けて、前記切欠部に一方の脚部が収
納されかつ前記ボルトのねじ溝に入り込むことが
できる略Ｕ字状の押えばねを装着するとともに、
前記Ｕ字状押えばねの他方の脚部が収納される保
持部をラグ内側に形成したことを特徴とするドラ
ムヘツドの締着固定装置。[Scope of Claim for Utility Model Registration] The drum head is fixed to the drum body by tightening the tightening hoop by screwing a tightening bolt into a lug nut loosely fitted into a lug fixed to the drum body. In the fastening and fixing device, a notch is provided inside the engaging flange of the lug nut, and one leg is accommodated in the notch and can fit into the thread groove of the bolt. In addition to installing a roughly U-shaped pressing spring,
A drum head fastening and fixing device characterized in that a holding portion in which the other leg of the U-shaped pressing spring is housed is formed inside the lug.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986114752U JPH032954Y2 (en) | 1986-07-26 | 1986-07-26 | |
| US07/014,487 US4750401A (en) | 1986-07-26 | 1987-02-13 | Lug nut assembly for drums |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986114752U JPH032954Y2 (en) | 1986-07-26 | 1986-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6321999U JPS6321999U (en) | 1988-02-13 |
| JPH032954Y2 true JPH032954Y2 (en) | 1991-01-25 |
Family
ID=14645791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986114752U Expired JPH032954Y2 (en) | 1986-07-26 | 1986-07-26 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4750401A (en) |
| JP (1) | JPH032954Y2 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2505076Y2 (en) * | 1990-12-27 | 1996-07-24 | ヤマハ株式会社 | Snare strainer mounting structure |
| US5299336A (en) * | 1992-11-30 | 1994-04-05 | Jean Marteeny | Portable diaper changing station and method for use thereof |
| DE9304543U1 (en) * | 1993-03-25 | 1993-05-19 | Sonor Johs. Link GmbH, 5920 Bad Berleburg | Tensioning device for the skins of percussion instruments |
| US7351899B2 (en) | 2005-03-15 | 2008-04-01 | Think Peak, Inc. | Quick action drum lug assembly and method |
| US9495944B1 (en) * | 2015-09-09 | 2016-11-15 | Kuo-Chang Chen | Drum frame fixer |
| USD787585S1 (en) * | 2016-05-06 | 2017-05-23 | Joshua Allen | Drum tensioner |
| US10319351B2 (en) * | 2017-03-10 | 2019-06-11 | Eric Opett | Device for preventing loosening of a drum's tension rod |
| JP6813890B2 (en) * | 2017-08-09 | 2021-01-13 | ハードロック工業株式会社 | Loosening prevention structure for adjustment bolts |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3139783A (en) * | 1963-05-16 | 1964-07-07 | Philip O Grant | Drum key holder |
| JPS5442652Y2 (en) * | 1976-07-24 | 1979-12-11 | ||
| DE2813883C2 (en) * | 1978-03-31 | 1983-07-14 | Johs. Link Kg, 5920 Bad Berleburg | Clamping device for the heads of percussion instruments |
| US4282793A (en) * | 1978-05-30 | 1981-08-11 | Research Development Systems, Inc. | Composite drum head |
-
1986
- 1986-07-26 JP JP1986114752U patent/JPH032954Y2/ja not_active Expired
-
1987
- 1987-02-13 US US07/014,487 patent/US4750401A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6321999U (en) | 1988-02-13 |
| US4750401A (en) | 1988-06-14 |
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